DFE-Digital/govuk-components

<%= tag.div(**html_attributes) do %>
  <div class="<%= brand %>-notification-banner__header">
    <%= content_tag(title_tag, class: "#{brand}-notification-banner__title", id: title_id) do %>
      <%= title_content %>
    <% end %>
  </div>
  <div class="<%= brand %>-notification-banner__content">
    <% headings.each do |heading| %>
      <%= heading %>
    <% end %>

    <%= content || text %>
  </div>
<% end %>